wiki: add Carbon Design System icons (2673) + pictograms (1000)

- 2673 SVG icons from @carbon/icons v11.82.0 (~2.5 MB)
- 1000 SVG pictograms from Carbon Design System (~2.0 MB)
- Updated 00-overview.md with asset structure and category listing

All icons: 32x32, fill: currentColor, optimized SVG
All pictograms: 24x24, fill: currentColor, SVG

assets/icons/carbon-pictograms/chart--candlestick.svg

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 24.3.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 32 32" style="enable-background:new 0 0 32 32;" xml:space="preserve">
+<path id="chart--candlestick_1_" d="M31,31.36H1c-0.199,0-0.36-0.161-0.36-0.36V1h0.72v29.64H31V31.36z M25.36,28h-0.72v-2.64H23
+	c-0.199,0-0.36-0.161-0.36-0.36V13c0-0.199,0.161-0.36,0.36-0.36h1.64V10h0.721v2.64H27c0.199,0,0.36,0.161,0.36,0.36v12
+	c0,0.199-0.161,0.36-0.36,0.36h-1.64V28z M23.36,24.64h3.279V13.36H23.36V24.64z M7.36,25H6.64v-5.64H5
+	c-0.199,0-0.36-0.161-0.36-0.36v-8c0-0.199,0.161-0.36,0.36-0.36h1.64V5h0.72v5.64H9c0.199,0,0.36,0.161,0.36,0.36v8
+	c0,0.199-0.161,0.36-0.36,0.36H7.36V25z M5.36,18.64h3.28v-7.28H5.36V18.64z M16.36,21h-0.72v-5.64H14
+	c-0.199,0-0.36-0.161-0.36-0.36V9c0-0.199,0.161-0.36,0.36-0.36h1.64V3h0.72v5.64H18c0.199,0,0.36,0.161,0.36,0.36v6
+	c0,0.199-0.161,0.36-0.36,0.36h-1.64V21z M14.36,14.64h3.28V9.36h-3.28V14.64z"/>
+<rect id="Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>